/*
 * Copyright 2002-2016 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.springframework.security.web.authentication.handler;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.springframework.security.core.Authentication;
import org.springframework.security.web.WebAttributes;
import org.springframework.security.web.authentication.handler.AbstractAuthenticationTargetUrlRequestHandler;
import org.springframework.security.web.authentication.handler.AuthenticationSuccessHandler;

public class SimpleUrlAuthenticationSuccessHandler extends AbstractAuthenticationTargetUrlRequestHandler implements AuthenticationSuccessHandler {

    public SimpleUrlAuthenticationSuccessHandler() {
    }

    public SimpleUrlAuthenticationSuccessHandler(String defaultTargetUrl) {
        setDefaultTargetUrl(defaultTargetUrl);
    }

    public void onAuthenticationSuccess(HttpServletRequest request, HttpServletResponse response, Authentication authentication) throws IOException, ServletException {

        handle(request, response, authentication);
        clearAuthenticationAttributes(request);
    }

    protected final void clearAuthenticationAttributes(HttpServletRequest request) {
        HttpSession session = request.getSession(false);
        if (session == null) {
            return;
        }
        session.removeAttribute(WebAttributes.AUTHENTICATION_EXCEPTION);
    }
}
